Comparison

HeartRateHub vs ZoneFlow

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

HeartRateHub

This app helps runners train smarter by utilizing personalized heart rate zones. It integrates with Apple Watch to provide real-time feedback and allows for the creation of custom or pre-set interval workouts for improved endurance and speed.

Highlights
  • Custom heart rate zone creation
  • Flexible interval workout design
  • Predefined zone templates
  • Apple Watch real-time feedback
  • Speedometer-style visual display
  • Data-driven goal-oriented sessions
Features
Read full description

HeartRateHub: Precision Heart Rate Zone Training for Runners HeartRateHub is the go-to training app for runners who want to train smarter using heart rate zones. Seamlessly integrated with your Apple Watch, it transforms your workouts into data-driven, goal-oriented sessions that help improve endurance, speed, and recovery. Whether you are preparing for a race or simply want to make each run more effective, HeartRateHub gives you complete control over your heart rate-based training. Key Features Custom Heart Rate Zones Create personalized heart rate zones on your iPhone by setting durations and minimum and maximum BPMs. Align each workout to your fitness goals with precision. Flexible Workout Patterns Design interval workouts with multiple heart rate zones. Create structured routines with controlled warmups, challenging peaks, and effective cooldowns. Predefined Zone Templates Access a library of popular heart rate training patterns such as 30-20-10 intervals and Fartlek runs. Add them to your personal library to start training immediately. Apple Watch Integration All workouts sync automatically to your Apple Watch, delivering real-time feedback and alerts as you move between heart rate zones. Clear Visual Feedback Stay focused with a speedometer-style display on your Apple Watch. Instantly see how your current heart rate compares to your target zone. No Limits, Completely Free All features are available without a subscription or paywall. HeartRateHub is designed to be fully accessible to every runner looking to improve their training through heart rate guidance. Why Choose HeartRateHub HeartRateHub is more than a fitness tracker. It is a training companion built for those who value the power of precision. Unlike generic running apps, HeartRateHub allows you to create intricate heart rate-based workouts, follow elite training templates, and monitor your zone adherence in real-time. Whether you are an experienced runner or just starting to explore heart rate training, HeartRateHub gives you the tools to train with structure and intention. Download HeartRateHub today and experience the difference of training with clarity, focus, and complete control over your heart rate zones. Terms of service & privacy policy: https://basamasa.github.io/eula.html https://www.termsfeed.com/live/aab51974-f8da-4ee1-8c9d-4004367a3186

About

ZoneFlow

Read full description

ZoneFlow: Effortless Heart Rate Training Stay in your optimal performance zone without constant screen checking. ZoneFlow is the ultimate minimalist training companion for runners who want to train smarter, not harder. Why ZoneFlow? Silent Zone Guidance Haptic feedback keeps you precisely in your target heart rate zone No more constant screen glances - run with pure focus Advanced algorithms track your heart rate in real-time Intelligent Training Custom heart rate zone setup for personalized training Works seamlessly with Apple Watch Supports all fitness levels, from beginners to elite athletes Key Features Customizable heart rate zones Minimal, distraction-free interface Accurate heart rate monitoring Instant haptic alerts when you drift from your zone Perfect for: Marathon trainers Endurance athletes Fitness runners seeking precision Train smarter. Run free. Run with ZoneFlow.

Screenshots

HeartRateHub4 screens

Verdict

The call

The clearest difference is in-app purchases: ZoneFlow at none against HeartRateHub's 3. ZoneFlow also leads on iOS requirement (13.0 vs 16.0). HeartRateHub's advantage is update cadence (every 4 months vs every 18 months). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. HeartRateHub sells 3 in-app purchases, starting at $1.99 per 7 days. ZoneFlow asks for nothing beyond the download.

UpkeepUpdate frequency

HeartRateHub ships an update every 4 months, ZoneFlow every 18 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard3 real differences ยท 5 level
HeartRateHub versus ZoneFlow: the parameters behind the verdict, then further details
ParameterHeartRateHubZoneFlow
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 4 months โ€” betterEvery 18 months
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, Apple WatchiPhone, iPod, Apple Watch โ€” better
Requires iOS16.013.0 โ€” better
Further details โ€” not scored
Size7 MB2 MB
Age rating4+4+
DeveloperEnzer ErkinAdrian Rollett

In-app purchases

3 purchases

HeartRateHub

Subscriptions3
  • Weekly Subscription$1.997 Days
  • Monthly Subscription7 Days trial$3.991 Month
  • Yearly Subscription7 Days trial$24.991 Year
None

ZoneFlow

No in-app purchases

Questions

Is HeartRateHub free?
HeartRateHub is free to download, with in-app purchases available.
Is ZoneFlow free?
ZoneFlow is free to download, with no in-app purchases.
Do HeartRateHub or ZoneFlow have ads?
Neither HeartRateHub nor ZoneFlow shows ads.
Which is updated more often, HeartRateHub or ZoneFlow?
HeartRateHub ships an update every 4 months, and ZoneFlow every 18 months. Most recently, HeartRateHub was updated on October 14, 2026 and ZoneFlow on October 10, 2026.

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